240 WHEELER. 



7. Postorbital carinse present 8. 



Postorbital carinse absent 10. 



8. Epinotal declivity longitudinally rugose jovis Forel. 



Epinotal declivity smooth 9. 



9. Head feebly excised behind. Length 7 mm. . .singularis Forel. 

 Head deeply excised behind. Length 6 mm mjobergi Forel. 



10. Length 6-7 mm 11. 



Length not exceeding 5 mm 12. 



11. Eyes at middle of head; antennal scapes separated only by their 



own width from occipital border sjostedti Forel. 



Eyes a little behind the middle of the head; scapes reaching 

 only to middle of eyes emeryi Viehmeyer. 



12. Thorax distinctly narrowed in middle; body very shining. 



Length 5 mm leoe sp. nov. 



Thorax scarcely narrowed in middle, body more sharply sha- 

 greened and less shining. Length 3.8-4.2 mm. 



fervidiis sp. nov. 



13. Petiole, postpetiole and gaster with conspicuous appressed hairs 



besides the suberect hairs sencscens sp. nov. 



Petiole, postpetiole and gaster with suberect hairs only 14. 



14. Postpetiole scarcely larger than the petiole, as long as broad. 



hinodis Forel. 

 Postpetiole larger than the petiole 15. 



15. Eyes large, as long as distance between them and anterior 



border of head adami Forel. 



Eyes distinctly smaller 16. 



16. Cheeks red; funicular joints 2-9 broader than long. 



larvatus sp. nov. 

 Cheeks black; funicular joints 2-9 as broad as long. 



turneri Forel. 



14. Phyracaces heros sp. nov. 



(Fig. 7.) 



Worker. Length 9 mm. 



Head distinctly longer than broad and distinctly narrower in front 

 than behind, with rather defeply and angularly excised posterior bor- 

 der, acute inferoposterior corners and rather large, convex ej'es at 

 the middle of the sides. Ocelli present, but small. Mandibles 

 triangular, strongly deflected, with distinct apical and basal borders 

 meeting at a rounded angle, the former finely denticulate, the external 



